Vascular plants, like fern, show alternation of generations. Which represents a gametophyte in the life cycle of fern?
a. Rhizomes
b. Prothallus
c. Sporangia
B.Prothallus. Also known as prothallium, prothallus is the gametophyte stage in the fern's life cycle and other species from the group pteridophyte. It is a heart-shaped structure that develops from a germinating spore.
